WO2014170791A3 - Logical region allocation with immediate availability - Google Patents
Logical region allocation with immediate availability Download PDFInfo
- Publication number
- WO2014170791A3 WO2014170791A3 PCT/IB2014/060493 IB2014060493W WO2014170791A3 WO 2014170791 A3 WO2014170791 A3 WO 2014170791A3 IB 2014060493 W IB2014060493 W IB 2014060493W WO 2014170791 A3 WO2014170791 A3 WO 2014170791A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- regions
- logical
- cache
- actual physical
- region allocation
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0662—Virtualisation aspects
- G06F3/0665—Virtualisation aspects at area level, e.g. provisioning of virtual or logical volumes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1076—Parity data used in redundant arrays of independent storages, e.g. in RAID systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
- G06F3/0605—Improving or facilitating administration, e.g. storage management by facilitating the interaction with a user or administrator
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0614—Improving the reliability of storage systems
- G06F3/0619—Improving the reliability of storage systems in relation to data integrity, e.g. data losses, bit errors
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
- G06F3/0631—Configuration or reconfiguration of storage systems by allocating resources to storage systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0683—Plurality of storage devices
- G06F3/0689—Disk arrays, e.g. RAID, JBOD
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
- G06F11/2094—Redundant storage or storage space
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
- G06F2211/10—Indexing scheme relating to G06F11/10
- G06F2211/1002—Indexing scheme relating to G06F11/1076
- G06F2211/1028—Distributed, i.e. distributed RAID systems with parity
Abstract
Methods, apparatus and computer program products implement embodiments of the present invention that enable a computer to receive a request to allocate one or more logical regions to a logical volume, and to verify, in response to the request, an availability on one or more storage devices of a number of physical regions corresponding to the one or more requested logical regions. In response to the verification, the one or more logical regions can be activated for write operations to a cache, so that any data written to the logical regions is stored to the cache. Subsequent to activating the one or more logical regions, one or more actual physical regions can be allocated to the logical volume. Upon allocating the one or more actual physical regions, any data stored in the cache can be destaged to the one or more actual physical regions.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/863,787 | 2013-04-16 | ||
US13/863,787 US9423981B2 (en) | 2013-04-16 | 2013-04-16 | Logical region allocation with immediate availability |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2014170791A2 WO2014170791A2 (en) | 2014-10-23 |
WO2014170791A3 true WO2014170791A3 (en) | 2015-02-26 |
Family
ID=51687592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2014/060493 WO2014170791A2 (en) | 2013-04-16 | 2014-04-07 | Logical region allocation with immediate availability |
Country Status (2)
Country | Link |
---|---|
US (1) | US9423981B2 (en) |
WO (1) | WO2014170791A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9619404B2 (en) | 2013-04-16 | 2017-04-11 | International Business Machines Corporation | Backup cache with immediate availability |
Families Citing this family (11)
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US9423981B2 (en) | 2013-04-16 | 2016-08-23 | International Business Machines Corporation | Logical region allocation with immediate availability |
US9298398B2 (en) | 2013-04-16 | 2016-03-29 | International Business Machines Corporation | Fine-grained control of data placement |
US9298617B2 (en) | 2013-04-16 | 2016-03-29 | International Business Machines Corporation | Parallel destaging with replicated cache pinning |
US9104597B2 (en) | 2013-04-16 | 2015-08-11 | International Business Machines Corporation | Destaging cache data using a distributed freezer |
US9329938B2 (en) | 2013-04-16 | 2016-05-03 | International Business Machines Corporation | Essential metadata replication |
US9104332B2 (en) | 2013-04-16 | 2015-08-11 | International Business Machines Corporation | Managing metadata and data for a logical volume in a distributed and declustered system |
US10592108B2 (en) * | 2014-09-30 | 2020-03-17 | Anthony Tan | Secured storage system with temporary external assignable memory |
US10140038B2 (en) * | 2016-11-21 | 2018-11-27 | International Business Machines Corporation | Utilization of a thin provision grid storage array |
US11822826B2 (en) * | 2020-02-20 | 2023-11-21 | Raytheon Company | Sensor storage system |
CN113064553B (en) * | 2021-04-02 | 2023-02-17 | 重庆紫光华山智安科技有限公司 | Data storage method, device, equipment and medium |
US11595457B2 (en) * | 2021-04-05 | 2023-02-28 | Arris Enterprises Llc | System and method for dynamic adjustment of content streaming rates |
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2013
- 2013-04-16 US US13/863,787 patent/US9423981B2/en not_active Expired - Fee Related
-
2014
- 2014-04-07 WO PCT/IB2014/060493 patent/WO2014170791A2/en active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
US20140310457A1 (en) | 2014-10-16 |
WO2014170791A2 (en) | 2014-10-23 |
US9423981B2 (en) | 2016-08-23 |
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